/**
 * // 获取标识c
 * @param e 长度
 * @returns 标识字符串
 */
export const randomString = (e: number) => {
    e = e || 32;
    const t = "ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678";
    const a = t.length;
    let n = "";
    for (let i = 0; i < e; i++) n += t.charAt(Math.floor(Math.random() * a));
    return n;
}